YOU SAID:
bit off more than you can chew
INTO JAPANESE
あなたが噛むことができるより多くを噛み砕く
BACK INTO ENGLISH
Chew more than you can chew
INTO JAPANESE
噛むことができる以上に噛む
BACK INTO ENGLISH
Chew more than you can chew
That didn't even make that much sense in English.